This site offers nearly 54,000 pages related to works of art and professional reports in conservation and art history. The heart of the site is the Explore Art section, which includes 3,300 works of art, 1,500 artist biographies, 1,500 glossary definitions, over 200 video clips, online exhibitions, and more.

Searching for a place name yields information such as a location "hierarchy, "basic information such as longitude and latitude, and where available, short descriptive passages on the history and political, cultural, or commercial significance of the location over time.

Google Patent Search covers the entire collection of patents made available by the United States Patent and Trademark Office(USPTO) â€” from patents issued in the 1790s through those issued in the middle of 2006. Images of the drawings for each patent are included.

A tool that makes large datasets easy to explore, visualize and communicate. Datasets include unemployment in Europe, unemployment in the U.S., retail sales in the U.S., mortality in the U.S., and more.

Google Transliteration offers an option for converting Roman charactersto their phonetic equivalent in your language. Note that this is not the same as translation - it is the sound of the words that are converted from one alphabet to the other, not their meaning.

Dedicated to the best guitar sites on the Internet. Quality, not quantity, is the rule here. Most of these are instructional sites or have some instruction in them. Others are sites from which you can order excellent resources to further your study of the guitar. Still others are merely archives of tablature or links.

Supports advanced research on Gregorian chant. Contains an informative essay on the state of Gregorian chant studies, sound files (coming soon), links to other chant research Web sites, and links to resources on related topics.

The Gutenberg Bible, the first book printed with movable type, was printed at Johann Gutenberg's shop in Mainz, Germany and completed in1454 or 1455. The University of Texas, which owns a copy, has scanned each of the pages and made them available online.